diff --git a/src/lib/alternatives/standard_tree/verify_circuit.ts b/src/lib/alternatives/standard_tree/verify_circuit.ts
index d6734fb..f7fca61 100644
--- a/src/lib/alternatives/standard_tree/verify_circuit.ts
+++ b/src/lib/alternatives/standard_tree/verify_circuit.ts
@@ -14,5 +14,6 @@ export const verifyMembership = (
     leaf: Field,
     leafIndex: Field
 ) => {
+  // assert tree root is equal to target root
   siblingPath.calculateRoot(leaf, leafIndex).assertEquals(root);
 }